312944378 has 16 divisors (see below), whose sum is σ = 479196000. Its totient is φ = 153232752.

The previous prime is 312944369. The next prime is 312944393. The reversal of 312944378 is 873449213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26813 + ... + 36671.

It is an arithmetic number, because the mean of its divisors is an integer number (29949750).

Almost surely, 2^312944378 is an apocalyptic number.

312944378 is a deficient number, since it is larger than the sum of its proper divisors (166251622).

312944378 is a wasteful number, since it uses less digits than its factorization.

312944378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10189.

The product of its digits is 145152, while the sum is 41.

The square root of 312944378 is about 17690.2339724493. The cubic root of 312944378 is about 678.9259124600.

The spelling of 312944378 in words is "three hundred twelve million, nine hundred forty-four thousand, three hundred seventy-eight".